572382721 has 2 divisors, whose sum is σ = 572382722. Its totient is φ = 572382720.

The previous prime is 572382719. The next prime is 572382731. The reversal of 572382721 is 127283275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373262400 + 199120321 = 19320^2 + 14111^2 .

It is a cyclic number.

It is not a de Polignac number, because 572382721 - 2¹ = 572382719 is a prime.

Together with 572382719, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (572382731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286191360 + 286191361.

It is an arithmetic number, because the mean of its divisors is an integer number (286191361).

Almost surely, 2^572382721 is an apocalyptic number.

It is an amenable number.

572382721 is a deficient number, since it is larger than the sum of its proper divisors (1).

572382721 is an equidigital number, since it uses as much as digits as its factorization.

572382721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 37.

The square root of 572382721 is about 23924.5213327247. The cubic root of 572382721 is about 830.2881474012.

The spelling of 572382721 in words is "five hundred seventy-two million, three hundred eighty-two thousand, seven hundred twenty-one".